The Holographic Principle at the Event Horizon of a Black Hole

When you and I took discovered the holographic principle at the event horizon of a black hole, how did that then lead to the holog graphic principle applied to the universe as a whole? Right. Well, both of us understood that the horizon of aBlackHole is just a boundary. And so we did have some interaction about it. It's called the World as a hologram. The ideas emerged from 93.